The Osborne 1 was the first widely accepted portable computer that included a monitor, disk drives and all components.
It was introduced in 1981 at the West Coast Computer Faire. It had 64 Kb of memory, a 5 inch display screen and had two floppy disk drives and a full sized keyboard.
The Osborne weighed 24 pounds and relied on the CP/M operating system. It sold for $1,795 which included Micropro's Wordstar software.
The Osborne 1, was very popular. In 1982, over 125,000 Osborne computers were sold and in 1983 Osborne announced that it would produce an IBM compatible portable computer, to be called the "Vixen." However, Compaq Computers beat Osborne to the market with their own IBM compatible machine. Osborne 1 sales dropped off as people waited for the "Vixen" and Osborne Computers went into bankruptcy, and never recovered the market share for portable microcomputers.
Osborne 1 Manuals:
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